[PATCH v2] bsp/raspberry: Add a bsp_fdt_map_intr().

[Christian Mauderer]

On 04/04/2020 19:10, Gedare Bloom wrote:
> Looks good, go ahead; thanks.

Thanks for the review. Pushed it.

> 
> On Sat, Apr 4, 2020 at 10:39 AM Christian Mauderer <oss at c-mauderer.de> wrote:
>>
>> From: Christian Mauderer <christian.mauderer at embedded-brains.de>
>>
>> Fixes #3903
>> ---
>>  bsps/arm/raspberrypi/include/bsp/irq.h |  3 +++
>>  bsps/arm/raspberrypi/start/bspstart.c  | 24 ++++++++++++++++++++++++
>>  2 files changed, 27 insertions(+)
>>
>> diff --git a/bsps/arm/raspberrypi/include/bsp/irq.h b/bsps/arm/raspberrypi/include/bsp/irq.h
>> index 6a9d05cba6..17e4472b34 100644
>> --- a/bsps/arm/raspberrypi/include/bsp/irq.h
>> +++ b/bsps/arm/raspberrypi/include/bsp/irq.h
>> @@ -35,6 +35,8 @@
>>
>>  #define BCM2835_INTC_TOTAL_IRQ       64 + 8
>>
>> +#define BCM2835_IRQ_SET1_MIN         0
>> +#define BCM2835_IRQ_SET2_MIN         32
>>
>>  #define BCM2835_IRQ_ID_GPU_TIMER_M0  0
>>  #define BCM2835_IRQ_ID_GPU_TIMER_M1  1
>> @@ -69,6 +71,7 @@
>>
>>  #define BSP_INTERRUPT_VECTOR_MIN    (0)
>>  #define BSP_INTERRUPT_VECTOR_MAX    (BCM2835_INTC_TOTAL_IRQ - 1)
>> +#define BSP_INTERRUPT_VECTOR_INVALID (UINT32_MAX)
>>
>>  #define BSP_IRQ_COUNT               (BCM2835_INTC_TOTAL_IRQ)
>>
>> diff --git a/bsps/arm/raspberrypi/start/bspstart.c b/bsps/arm/raspberrypi/start/bspstart.c
>> index 49896e4d47..8d7f6aa503 100644
>> --- a/bsps/arm/raspberrypi/start/bspstart.c
>> +++ b/bsps/arm/raspberrypi/start/bspstart.c
>> @@ -23,6 +23,7 @@
>>  #include <bsp/stackalloc.h>
>>  #include <bsp/raspberrypi.h>
>>  #include <bsp/vc.h>
>> +#include <bsp/fdt.h>
>>
>>  #include <libfdt.h>
>>
>> @@ -101,6 +102,29 @@ void *raspberrypi_get_reg_of_node(const void *fdt, int node)
>>    return (BUS_TO_PHY((void *) fdt32_to_cpu(val[0])));
>>  }
>>
>> +#ifdef BSP_FDT_IS_SUPPORTED
>> +uint32_t bsp_fdt_map_intr(const uint32_t *intr, size_t icells)
>> +{
>> +  uint32_t controller = intr[0];
>> +  uint32_t source = intr[1];
>> +
>> +  switch ( controller ) {
>> +    case 0:
>> +        return source + BCM2835_IRQ_ID_BASIC_BASE_ID;
>> +        break;
>> +    case 1:
>> +        return source + BCM2835_IRQ_SET1_MIN;
>> +        break;
>> +    case 2:
>> +        return source + BCM2835_IRQ_SET2_MIN;
>> +        break;
>> +    default:
>> +        return BSP_INTERRUPT_VECTOR_INVALID;
>> +        break;
>> +  }
>> +}
>> +#endif /* BSP_FDT_IS_SUPPORTED */
>> +
>>  void bsp_start(void)
>>  {
>>      bcm2835_get_board_spec_entries spec = { 0 };
>> --
>> 2.25.1
>>
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>